swab(1): remove -f
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@ -11,7 +11,6 @@ swab \(en swap bytes
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.SH SYNOPSIS
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swab
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.RB [ -f ]
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.RB [ -w\ word_size ]
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.\"
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.SH DESCRIPTION
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@ -20,8 +19,6 @@ Swap the latter and former halves of a block of bytes.
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.\"
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.SH OPTIONS
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.IP \fB-f\fP
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Ignore SIGINT signal.
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.IP \fB-w\fP\ \fIword_size\fP
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Configures the word size; that is, the size in bytes of the block size on which
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to operate. The default word size is 2. The word size must be cleanly divisible
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@ -18,7 +18,7 @@
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use std::{
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env::args,
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io::{ stdin, stdout, Error, ErrorKind, Read, Write },
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io::{ stdin, stdout, Error, Read, Write },
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process::ExitCode,
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vec::Vec
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};
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@ -38,7 +38,7 @@ fn oserr(s: &str, e: Error) -> ExitCode {
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}
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fn usage(s: &str) -> ExitCode {
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eprintln!("Usage: {} [-f] [-w word_size]", s);
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eprintln!("Usage: {} [-w word_size]", s);
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ExitCode::from(EX_USAGE as u8)
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}
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@ -48,12 +48,10 @@ fn main() -> ExitCode {
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let mut input = stdin();
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let mut output = stdout().lock();
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let mut force = false;
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let mut wordsize: usize = 2;
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while let Some(opt) = argv.getopt("fw:") {
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while let Some(opt) = argv.getopt("w:") {
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match opt.opt() {
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Ok("f") => force = true,
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Ok("w") => {
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if let Some(arg) = opt.arg() {
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match arg.parse::<usize>() {
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@ -83,7 +81,6 @@ fn main() -> ExitCode {
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break oserr(&argv[0], e)
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}
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},
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Err(e) if e.kind() == ErrorKind::Interrupted && force => continue,
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Err(e) => break oserr(&argv[0], e)
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}
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}
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